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The masses of neutron and proton are 1.0...

The masses of neutron and proton are `1.0087` a.m.u. and `1.0073` a.m.u. respectively. If the neutrons and protons combine to form a helium nucleus (alpha particle) of mass `4.0015`a.m.u. The binding energy of the helium nucleus will be `(1 a.m.u. = 931 MeV)`.

A

24.8 MeV

B

28.4 Mev

C

14.2 MeV

D

42.8 MeV

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The correct Answer is:
B
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AAKASH INSTITUTE-NUCLEI-Assignment Section A Objective (One option is correct )
  1. Size of nucleus is of the order of

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  2. The masses of neutron and proton are 1.0087 a.m.u. and 1.0073 a.m.u. r...

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  3. Average binding energy per nucleon over a wide range is

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  4. The binding energy of deuteron .1^2 H is 1.112 MeV per nucleon and an ...

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  5. One requires energy En to remove a nucleon from a nucleus and an energ...

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  6. The mass number of a nucleus is equal to

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  7. Outside a nucleus.

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  8. Radius of .2^4HeThe nucleus is 3 Fermi. The radius of .16^32S nucleus ...

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  9. The force acting between proton and proton inside the nucleus is.

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  10. For a nucleus to be stable, the correct relation between neutron numbe...

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  11. Two nucleons are at a separation of 1 xx 10^-15 m. The net force betwe...

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  12. If m,mn and mp are masses of .Z X^A nucleus, neutron and proton respec...

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  13. Average K.E of thermal neutron is of the order of (in KeV)

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  14. The control rod in a nuclear reactor is made of

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  15. Fusion reaction takes place at high temperature because

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  16. In a fission process, nucleus A divides into two nuclei B and C, their...

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  17. Fast neutrons can easily be slowed down by

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  18. A reactor is generating 1000 kW of power and 200 MeV of energy may be ...

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  19. In the nuclear reaction .92 U^238 rarr .z Th^A + .2He^4, the values of...

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  20. The number of neutrons released when .92 U^235 undergoes fission by ab...

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